<template>
  <div>
    <div ref="words" class="words" />
  </div>
</template>

<script>
import * as echarts from 'echarts'
import 'echarts-wordcloud'
export default {
  data() {
    return {

    }
  },

  mounted() {
    // 基于准备好的dom，初始化echarts实例
    var myChart = echarts.init(this.$refs.words)
    var options = {
      series: [{

        type: 'wordCloud',

        // The shape of the "cloud" to draw. Can be any polar equation represented as a
        // callback function, or a keyword present. Available presents are circle (default),
        // cardioid (apple or heart shape curve, the most known polar equation), diamond (
        // alias of square), triangle-forward, triangle, (alias of triangle-upright, pentagon, and star.

        shape: 'circle',

        // Keep aspect ratio of maskImage or 1:1 for shapes
        // This option is supported from echarts-wordcloud@2.1.0
        keepAspect: false,

        // A silhouette image which the white area will be excluded from drawing texts.
        // The shape option will continue to apply as the shape of the cloud to grow.

        // maskImage: maskImage,

        // Folllowing left/top/width/height/right/bottom are used for positioning the word cloud
        // Default to be put in the center and has 75% x 80% size.

        left: 'center',
        top: 'center',
        width: '70%',
        height: '80%',
        right: null,
        bottom: null,

        // Text size range which the value in data will be mapped to.
        // Default to have minimum 12px and maximum 60px size.

        sizeRange: [12, 60],

        // Text rotation range and step in degree. Text will be rotated randomly in range [-90, 90] by rotationStep 45

        rotationRange: [-90, 90],
        rotationStep: 45,

        // size of the grid in pixels for marking the availability of the canvas
        // the larger the grid size, the bigger the gap between words.

        gridSize: 8,

        // set to true to allow word being draw partly outside of the canvas.
        // Allow word bigger than the size of the canvas to be drawn
        drawOutOfBound: false,

        // If perform layout animation.
        // NOTE disable it will lead to UI blocking when there is lots of words.
        layoutAnimation: true,

        // Global text style
        textStyle: {
          fontFamily: 'sans-serif',
          fontWeight: 'bold',
          // Color can be a callback function or a color string
          color: function() {
            // Random color
            return 'rgb(' + [
              Math.round(Math.random() * 160),
              Math.round(Math.random() * 160),
              Math.round(Math.random() * 160)
            ].join(',') + ')'
          }
        },
        // emphasis: {
        //   focus: 'self',

        //   textStyle: {
        //     textShadowBlur: 10,
        //     textShadowColor: '#333'
        //   }
        // },

        // Data is an array. Each array item must have name and value property.
        data: [
          {
            name: 'Fa',
            value: 10
          },
          {
            name: 'aham',
            value: 6
          },
          {
            name: 'Abraham',
            value: 5
          },
          {
            name: 'Farr',
            value: 3
          },
          {
            name: 'Farrr',
            value: 8
          },
          {
            name: 'aham',
            value: 9
          },
          {
            name: 'm',
            value: 10
          },
          {
            name: 'ffaham',
            value: 12
          },
          {
            name: 'Fham',
            value: 14
          },
          {
            name: 'Farrm',
            value: 16
          }
        ]
      }]
    }
    // 绘制图表
    myChart.setOption(options)
  },

  methods: {

  }
}
</script>

<style lang="scss" scoped>
.words{
  width: 100%;
  height: 100%;
}
</style>
